componentcom·po·nent /kəmˈpəʊnənt-ˈpoʊ-/ noun [countableC] 1one part of something component of
Gas will continue to be a major component of the country’s energy supply mix.
The main component of any school’s budget will be the cost of staff.
The M2 component of the money supply grew $7.2 billion in April.
2MANUFACTURING one part used in making a machine, vehicle etc
auto components (=ones used in cars) company
a small company that makes electronic components